CAT III: From equipment in fixed equipment installations, e.g., installation panels, feeders and short
branch circuits, and lighting systems in large buildings.

Accuracy Specifications Accuracy Specifications

Accuracy is specified for 1 year after calibration, at operating temperatures of 18 °C to 28 °C, relative humidity at 0 % to 75 %. Accuracy specifications take the form of: ±([% of Reading] + [Number of Least Significant Digits])

Function

Range

Resolution

Accuracy

Model 15B

Model 17B

AC Volts (40 to 500 Hz) v

400.0 mV 1

0.1 mV

3.0 % + 3

3.0 % + 3

4.000 V 40.00 V 400.0 V 1000 V

0.001 V 0.01 V 0.1 V 1 V 001 V 0.01 V 0.1 V 1 V

1.0 % + 3

1.0 % + 3

DC Millivolts M

400.0 mV

0.1 mV

1.0 % + 10

1.0 % + 10

DC Volts V

4.000 V 40.00 V 400.0 V 1000 V

0.001 V 0.01 V 0.1 V 1 V 001 V 0.01 V 0.1 V 1 V

0.5 % + 3

0.5 % + 3

Diode Test

1.000 V

0.001 V

10 %

Temperature 3 °C (K-type thermocouple)

50 °C to 400 °C 0 °C to 50 °C -55 °C to 0 °C

0.1 °C

NA

2 % + 1 °C ± 2 °C 9 % + 2 °C

Resistance (Ohms)

400.0 Ω4.000 kΩ40.00 kΩ400.0 kΩ4.000 MΩ40.00 MΩ

0.1 Ω0.001 kΩ0.01 kΩ0.1 kΩ0.001 MΩ0.01 MΩ

0.5 % + 3 0.5 % + 2 0.5 % + 2 0.5 % + 2 0.5 % + 2 1.5 % + 3

0.5 % + 3 0.5 % + 2 0.5 % + 2 0.5 % + 2 0.5 % + 2 1.5 % + 3

Capacitance 4 c

50.00 nF 500.0 nF 5.000 µF 50.00 µF 100.0 µF

0.01 nF 0.1 nF 0.001 µF 0.01 µF 0.1 µF

2 % + 5 2 % + 5 5 % + 5 5 % + 5 5 % + 5

2 % + 5 2 % + 5 5 % + 5 5 % + 5 5 % + 5

Frequency Hz (10 Hz – 100 kHz)

50.00 Hz 500.0 Hz 5.000 kHz 50.00 kHz 100.0 kHz

0.01 Hz 0.1 Hz 0.001 kHz 0.01 kHz 0.1 kHz

NA

0.1 % + 3

Duty Cycle

0.1 % to 99.9 %

0.1%

NA

1% typical 5

1. Manual and Auto Range. 2. Diode test open circuit test voltage is 1.1 V to 1.6 V and short circuit current is < 0.6 mA (typical). 3. Temperature specifications do not include thermocouple errors. After inserting the thermocouple plug into the meter, allow several minutes for thermal stabilization. 4. Specifications do not include errors due to test lead capacitance and capacitance floor (may be up to 1.5 nF in the 50 nF range). For the 17B, errors can be reduced by using the relative feature. 5. For values between 10% and 90% duty cycle at 50 Hz.

Function

Range

Resolution

Accuracy

Model 15B

Model 17B

AC Current (40 to 200 Hz)

400.0 µA

0.1 µA

1.5 % + 3

1.5 % + 3

4000 µA

1 µA

AC Current (40 to 200 Hz)

40.00 mA

0.01 mA

1.5 % + 3

1.5 % + 3

400.0 mA

0.1 mA

AC Current (40 to 200 Hz)

4.000 A6 10.00 A

0.01 A 0.01 A

1.5 % + 3

1.5 % + 3

DC Current

400.0 µA

0.1 µA

1.5 % + 3

1.5 % + 3

4000 µA

1 µA

DC Current

40.00 mA

0.01 mA

1.5 % + 3

1.5 % + 3

400.0 mA

0.1 mA

DC Current

4.000 A6

0.01 A

1.5 % + 3

1.5 % + 3

10.00 A

0.01 A

6. When in the 4A range, display will show 4000 counts, please ignore the last digit.

Function

Overload Protection

Input Impedance (Nominal)

Common Mode Rejection Ratio

Normal Mode Rejection

AC Volts v

1000 V

>10 MΩ <100 pF

>60 dB at dc, 50 or 60 Hz

_

DC Volts V

1000 V

>10 MΩ <100 pF

>100 dB at dc, 50 or 60 Hz

>45 dB at 50 or 60 Hz

106 V Hz Max

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